Question : Directions: Some equations are solved based on a certain system. Find the correct answer for the unsolved equation on that basis.
5 + 7 + 2 = 725, 6 + 9 + 0 = 906, 8 + 4 + 3 = ?
Option 1: 815
Option 2: 384
Option 3: 438
Option 4: 834
Correct Answer: 438
Solution :
Given:
5 + 7 + 2 = 725, 6 + 9 + 0 = 906
The given equation follows a pattern where the first number on the L.H.S becomes the unit digit on the R.H.S, the middle number becomes the hundreds digit and the last number becomes the tens digit.
Like, 5 + 7 + 2 = 725
And, 6 + 9 + 0 = 906
Similarly, follow the same pattern for 8 + 4 + 3 = 438
So, 438 is the answer to the given equation. Hence, the third option is correct.
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